公开(公告)号：US20180035132A1

公开(公告)日：2018-02-01

申请号：US15551945

申请日：2016-01-25

Applicant: TONGJI UNIVERSITY ,  ZTE Corporation

Inventor： Tao LIN ,  Ming LI ,  Guoqiang SHANG ,  Zhao WU

IPC: H04N19/59 ,  H04N19/593 ,  H04N19/70 ,  H04N19/176

Abstract: The present disclosure provides a method and device for image coding and a method and device for image decoding, and the method includes: a representative pixel set of a coding block is constructed, and information for constructing the representative pixel set is determined; predicted values of pixel samples in the coding block are constructed, a generation manner for the predicted values including: constructing the predicted values of the pixel samples according to reconstructed pixel samples in an image region outside the coding block and pixel values of the representative pixel set; and the information for constructing the representative pixel set and information for constructing the predicted values are coded and written into a video bitstream.

公开(公告)号：US20180027235A1

公开(公告)日：2018-01-25

申请号：US15549408

申请日：2016-02-05

Applicant: TONGJI UNIVERSITY ,  ZTE Corporation

Inventor： Tao LIN ,  Ming LI ,  Guoqiang SHANG ,  Zhao WU

IPC: H04N19/129 ,  H04N19/593 ,  H04N19/44 ,  H04N19/176

Abstract: An image coding method and apparatus, and an image decoding method and apparatus are provided. In the coding method, a scanning manner parameter of a coding block is determined, and the scanning manner parameter may include at least one of: a region indication parameter used for determining a scanning region of the coding block and a scanning indication parameter used for determining a scanning order of pixels in a scanning region of the coding block; predicted values of part or all of pixels in the coding block are determined according to the scanning manner parameter; and the coding block is coded according to the predicted values, and a coding result is written into a bitstream.

公开(公告)号：US20170223371A1

公开(公告)日：2017-08-03

申请号：US15322143

申请日：2014-11-19

Applicant: ZTE CORPORATION

Inventor： Ming LI ,  Ping WU ,  Guoqiang SHANG ,  Yutang XIE

IPC: H04N19/44 ,  H04N19/184 ,  H04N19/597 ,  H04N19/70 ,  H04N19/423

CPC classification number: H04N19/44 ,  H04L65/4084 ,  H04L69/24 ,  H04N19/184 ,  H04N19/423 ,  H04N19/597 ,  H04N19/70 ,  H04N21/234327 ,  H04N21/6332 ,  H04N21/6377

Abstract: A device capability negotiation method includes receiving, by a first device, a multilayer video data request sent by a second device, and sending, by the first device, response information to the second device. The response information includes at least one of the following information types: decoding capability information needed for decoding a multilayer video code stream, decoding capability information needed for decoding various layers in the multilayer video code stream, and decoding capability information needed for decoding different output layer combinations in the multilayer video code stream. Also disclosed are a device capability negotiation apparatus, and a computer storage medium.

公开(公告)号：US20170006285A1

公开(公告)日：2017-01-05

申请号：US15114278

申请日：2014-12-01

Applicant: TONGJI UNIVERSITY ,  ZTE Corporation

Inventor： Tao LIN ,  Ming LI ,  Guoqiang SHANG

IPC: H04N19/119 ,  H04N19/513 ,  H04N19/12 ,  H04N19/176

Abstract: The disclosure discloses a method and device for coding an image and a method and device for decoding an image. The coding includes that: a coding block is partitioned into L micro-blocks, wherein L is a preset number of micro-block partitions in the decoding block; Displacement Vectors (DVs) between the micro-blocks and reference micro-blocks in a preset reconstructed pixel sample set are determined, wherein the DVs are vectors between pixel positions of the reference micro-blocks and pixel positions of the micro-blocks in a preset pixel coordinate system; and the DVs are coded and written into a bitstream. By the methods and the devices, the problem of low image compression and decompression efficiency during image coding and decoding in the related technology is solved, and the effect of improving image coding and decoding efficiency is further achieved.

Abstract translation: 本公开公开了一种用于对图像进行编码的方法和装置，以及用于对图像进行解码的方法和装置。 该编码包括：编码块被分割成L个微块，其中L是解码块中的预定数量的微块分区; 确定预置的重建像素样本集中的微块和参考微块之间的位移向量（DV），其中DV是参考微块的像素位置与预设中的微块的像素位置之间的向量 像素坐标系; 并且将DV编码并写入比特流。 通过方法和装置，解决了相关技术中图像编码和解码过程中低图像压缩和解压缩效率的问题，进一步实现了提高图像编码和解码效率的效果。